Citicorp Establishment Services

Licenses and Services
MD State Journeyman Licensed Plumbers
Medical Gas Certification
Backflow Prevention Certification
Certified Welders
MD State Master Plumber License #7401
Maryland State HVAC License #5531
Steam and hot water boiler installation
Design and build plumbing systems
Perform pipe and duct work insulation
Complete refrigeration installation service
MD State licensed sprinkler contractor






Citicorp Establishment Services
R.H. Lapp & Sons joined with Graves Mechanical of Houston, Texas, in performing the heating, ventilating and air conditioning work on this Hagerstown, MD facility. Our share of the project totaled $785,000.

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